Why queries takes too much time to execute?

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От Anderson Boechat Lopes
Тема Why queries takes too much time to execute?
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Msg-id 00b901c43697$333ec5d0$5f00a8c0@suport01
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Ответы Re: Why queries takes too much time to execute?  (Shridhar Daithankar <shridhar@frodo.hserus.net>)
Re: Why queries takes too much time to execute?  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Список pgsql-performance
    Hi.
 
    I´m new here and i´m not sure if this is the right email to solve my problem.
 
    Well, i have a very large database, with vary tables and very registers. Every day, too many operations are perfomed in that DB, with queries that insert, delete and update. Once a week some statistics are collected using vacuum analyze.
   
    The problem is after a period of time (one month, i think), the queries takes too much time to perform. A simple update can take 10 seconds or more to perform.
 
    If i make a backup, drop and recreate the DB, everything goes back normal.
 
    Could anyone give me any guidance?

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